<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <script src="jquery-3.6.0.min.js"></script>
    <script src="popup.js">
    </script>
	<style>
		.cbtnlist{
			display: flex;
		}
		.cbtnlist button{
			border-radius: 50px;
			height: 50px;
			width: 50px;
			flex: 1;
			margin-top: 5px;
			margin-left: 5px;
		}
		.cbtnlist .zhanwei{
			height: 20px;
		}
		#cancelchange{
			color: crimson;
		}
	</style>
</head>
<body style="width:300px ;height:100px">
	<div class="cbtnlist">
		<button id="change">更换背景颜色</button><br/>
		<button id="changeimg">更换背景图片</button><br/>
	</div>
	<div class="cbtnlist">
		<button id="cancelchange">删除背景</button><br/>
	</div>
	<div class="cbtnlist">
		<div class="zhanwei"></div>
	</div>
</body>
</html>